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<!DOCTYPE html>
<html lang="en">
<head>
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  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>HTML快速入门</title>
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<body>
  <html>Hello HTML</html>
  <img src="img/jpeg1.jpeg">
</body>
</html>